20,899 Topics
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| | i have a problem now... ihave to make a application that consist theory.... the theory consist text, pic and math equation i don't know how to put pic and math equation into textbox plz...help me |
| | Hi, im doing a software that uses diferent tables, and im trying to implement a save button but it doesnt save anything. This is the code. Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click Try Dim XCmd As New OleDb.OleDbCommandBuilder(DA) 'DS.AcceptChanges() DS.GetChanges() DA.Update(DS) MessageBox.Show("Saved", "ESP MESSAGES", … |
| | Hi I am one of a small but dynamic team of .Net application development. Over a period of 2 years we were able to create a foundation framework for all of our applications. While this framework has increased our speed of development, we are now facing a problem with deployment. … |
| | hello, I had a database(ms access) about 120000 entries in 2 fields (in the same table) it was not in sorted form, but the data is inter realated by rows, can you gave me a code snippet to search a word from a database (ie if there is any functions … |
| | Hey. I would like to ask for help regarding SQL server. I have developed a client-side application to run on my clients' agents machines. They will use this software to add items to a cart and print an invoice, in addition to the program eMailing my client to notify him …  |
| | In my database, the format for 8 columns are as shown: [code] +------+------+------+------+------+------+------+------+ | MPT | MPB | MP1T | MP1B | MP2T | MP2B | MP3T | MP3B | +------+------+------+------+------+------+------+------+ | 4 | 7 | 1 | 1 | 3 | 3 | 0 | 3 | | | …  |
| | [code] Public Class Form1 Inherits System.Windows.Forms.Form #Region " Windows Form Designer generated code " Public Sub New() MyBase.New() 'This call is required by the Windows Form Designer. InitializeComponent() 'Add any initialization after the InitializeComponent() call End Sub 'Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub … |
| | Hi guys Just a simple question from a newbee.. In VB.net I can use "dim t as new timer" in a windows application, but not in a wpfbrowser application. It says that "Typ timer is not defined" anything else in the program seem to funktion. Please if anyone have a … |
| | Hi all I am new to VB.NET and created a windows app in VB.net which connects to my sql server... Now I have a html page in my localhost/geomap/index.html which contains mostly javascript.... Now I want to create a app in vb.net that would go through a recordset and place … |
| | I've been searching like crazy for this but can't find anything in C#/VB.NET. I want to show off a DateTime as a "x days x hours x minutes x seconds ago" string, so I'm looking for a function that calculates the time difference between a DateTime and the current date …  |
 | Hi i really need code to back up an access database. Am using visual studio 2005. i have to submit my project next week.. please help me. I want to place the code in a button back up..  |
| | Lets say now i want to use Select Case For some purposes as shown below: Here, i have two arrays, One is called strmac() and another one is mac(). strmac() is used to store the variable read from the [COLOR="#ff0000"]database[/COLOR], it is used to read the Machine ID for example. … |
| | Hi, i have two textboxes one for month(2digits) and one for year(4digits). i want to validate them so users cannot input dates in past. what would be a better way of doin this. ps. it is for winforms thanks |
| | Hi There, I am experiencing a very weird problem with a visual basic.net program I am creating. The app uses an access database. Note: I am an Australian user so use date format dd/mm/yyyy Problem: my frmMain has a list box that retrieves a list of date values from the … |
 | hi friends, i need your help in my project. i need to group my dropdownlist data. can anyone help me to get "optgroup" functioning in asp.net 1.0 using vb.net |
| | Dear All, I m trying to read and upload the eml extension file which is saved in my local hard disk from my windows application form using Vb.NET. But I failed to do this, i Done the same using ASPOSE.dll in ASP.NEt application. Please guide me or suggest me some … |
| | Hi I am having a problem coding a save/change button on my form which I want to be able to edit a record in a text box then save the changes made, it will save it in a sequential dat file. At the moment it will just overwrite the entry … |
| | Hi I am trying to run the code below and get Exception From Hresult 0x800A0046 (CTL_E_PermissionDenied) error only on Button 2. Button 1 does what it is supposed to ie remove all files found in the folders that are older than today. Button 2 should remove all files regardless but … |
| | Im pretty new to VB, using .Net 2008, and I am saving two DataGrids, ComboBoxes, and Textbox to a txt file, using "*99*" as a terminator between each, but I am having trouble reading it back into each field. Heres my open file code. [CODE] Private Sub openbtn_Click(ByVal sender As … |
| | Hows it going everyone. Im trying to compare two tables, and display the rows that are not in both tables in a DataGrid. Im using Visual Basic 2008, and created a query in the TableAdapterManager, but when I try to call the query, it is not displaying the results. Shows … |
| | Hello :) Iam using windows application, I want to know how can I move from textbox1 to textbox2 through the tab control key or enter key..  |
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| | I have a basic program that access a local Access database, reads data from it into a datagrid, and then allows me to manipulate it by using textboxes. I can add, delete, and search for records. I want to remove the textboxes from the equation completely. Is there any way … |
| | can u spot the error in this code.. [CODE] Private Sub fncExcelExport(ByVal strSql As String) 'fncExcelExport("SELECT * FROM tbl_rop WHERE Name_User ='" & (TextBox1.Text) & "', Date_of_birth= '" & (TextBox2.Text) & "' , Hobbies='" & (TextBox3.Text) & "' , Phone_Number ='" & (TextBox4.Text) & "' where Name_User = '" & … |
| | To have bonus mark in my project i would like to register my application... I want a msgbox to appear after i login which tell him/her that "this application is not registered".. i want to put a counter which after 5 mins a msg box will appear which he/she must …  |
| | Hi, I am not really familiar with framework yet, I am just a beginner. What I am trying to do here is to add a clipboard button (using windows copy icon) placed in the framework in the report viewer. So I have a crystal report open in the report viewer … |
| | Hi there I am creating a system where I link a .net app to a oracle db and am currently working on linking it to the database so that I can add new users for oracle here is my code: [CODE]Imports system.Data.OracleClient Public Class Form1 Dim OracleConn As New OracleConnection … |
| | [code] Private Structure word Dim b1 As Byte Dim b2 As Byte Dim b3 As Byte Dim b4 As Byte End Structure Private Function DoubleToWord(ByVal n As Double) As word DoubleToWord.b1 = Int(DMod(n, 2 ^ 32) / (2 ^ 24)) DoubleToWord.b2 = Int(DMod(n, 2 ^ 24) / (2 ^ 16)) … |
| | Formdocs has given me the following code. What I am trying to accomplish is make the form undeleteable without a password. While the code kinda works all you have to do it select cancel and you can delete the record. any Ideas other than go back to class and pay … |
| | Hello, everyone... I'm a novice from Indonesia. Would u kind to help me? I need to convert a textfile containing integer data as running 2D line, as u can see if we press ctrl+alt+del in our comp? text goes like this: 78 79 67 90 67 89 ... soon and … |
| | I'd implemented what i need for the project but i found that the code is lengthly and not well practice... Some more i found that the code keep repeating in some kind of format..... However, at the moment i still thinking on the way to simplify it...Thanks if anyone can … |
 | I have a project that requires a barcode and other information to be printed onto a label using a Thermal Printer (i.e. Zebra, TEC) I have a print routine that will print plain text using "Generic Text" driver and has been tested for output using Dot-Matrix printers in other projects. … |
| | Hi All, I'm doing a mini project which is adding items to the listview and calculate the total price in a label outside the listview. How do I print the final receipt with all the sold items listed and the total etc Thanks in advance for ur help How do … |
| | hey frnds i want to know that how to add Textbox entry into the dataGridView. Suppose I have DataGridView with two Columns- First Column--name Second Column--marks. On the Form-- I have a Combobox ,Two Textboxes ,Button,Gridview. User select roll from combobox,Suppoes he Select Rol number 1 ,I want that on … |
| | i wanted to put a Exit for statment. how can i put it Public Class Form3 Private Sub Form3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim i As Integer Dim Name As String For i = 1 To 10 Name = InputBox("Enter the Name") Exit For Name="Done" … |
| | After several hours of searching the web and the student MSDN archive in Visual Studio.net i cannot figure out through the random blabber of sample codes how to do basic connections using TCP socket connections through a client and a listener. I got the jist that winsock had become outdated … |
| | Hi. I am generating Excel reports for my company using VB.NET programming but have a problem when inserting an image into the spreadsheet and attempting to position it within the sheet. Please see my code snippet: 'Specify cell range for logo and insert the image oRng = osheet.Range("A1") oRng.Cells.Select() oexcel.ActiveSheet.Pictures.Insert(Application.StartupPath … |
| | I really dont know this Program is rite or wrong. but it wont give a answer. if anyone can help me in this Public Class Form2 Dim num As Integer Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim fact As Integer num = Val(InputBox("Enter the … |
| | I have a parent form that has a combobox. Whn the form loads I get the data from the db and bind to the combobox. that works fine and here is the code I use in form load to cause this to happen: [code] conn.Open() cmd.Connection = conn da = … |
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| | can anybody tell me.... how to control parallel port, serial port and usb port through vb.net |
| | I'm developing handheld application written in VB.NET, with .sdf database. I have following problem: on one form I have combo box (which relates to the primary key) and several text boxes (other fields in the table). When I enter data in the database I can retrieve data from the database … |
| | Hello everyone, How do I change the opacity without it affecting the controls on my form? In other words, how do I have a form with opacity set to 50% while the buttons on it still have opacity set to 100%? I have been looking a solution for so long … |
| | hi can any one help me out in converting a given image into its pixel value matrix..and then reconvert the pixel matrix into the image |
| | excuse me, i want to know about the subform in vb.net what is best control to make subform in vb.net. in vb6 i used flexgrid control to make subform,but in vb.net i really find it hard to make subform in vb.net. thanks |
| | Hi i want to back up my database. Can sme 1 know the code of backup ? |
| | hi.. to read a document file in Asp.Net and Vb.net as a Code behind , Use following Code [code] Sub Read(ByVal RPath As String) If RPath <> "" Then Dim WordApp As New Word.ApplicationClass Dim filepath = Server.MapPath("images\Resume\") & RPath Dim File As Object = filepath Dim nullobj As Object … |
| | Hey folks i need a little bit of help im not good with Vb as i am just learning so bare with me ^_^.. Ok well im making a program that will connect to my mysql database located on my other computer in a program called navicat im not sure … |
| | Hi! Could you tell me the basic codes that add a root node, parent node, or child node. I find in MSDN but seem that it encourage to use built tools. Thanks so much !!! |
| | I think i need some idea on this....where mac() is a dynamic array, so instead i use UBound to get its number of elements. However, i need the number of charts equal to the size of the array, so i think to use the code shown below: [code] B = … |
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